OpenTechnical

OT-2026-000023670

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000023670) never changes.

Identity and time

Publication numberOT-2026-000023670 · never reused
Internal UUID01a0ae70-aed4-7815-8990-53ca8ee16ce8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023670
StatusPUBLIC

Content hashes

Canonical text4a50cecf64258bd37ab3e744a6da47b40382501c8df4fa12d9f25e92ae400910
Markdown5ba3530bb3d7cc4f04100477cd6391b37ee4d731eccdb8faadb48863f9c24912
PDF
Publication page66e76be3b32b160619b2723b9d1be7f71ca3e261904ee91cb9d4434e6c717c20
Manifest1a22298dd2e962f4bc535718ebd437a76c28b2f4ed82137b96d942ca6b849203

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturesUv207WBZ2wQq0cgBP2vpDV2giWZ+cDPmPGZoK3U3Fu+C72BOUgDJ/sQt8IAokGR6zXTuRlYzUvgRSK4XjlXAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:49:59.407013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023670
observed 66e76be3b32b160619b2723b9d1be7f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:59.389970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023670/manifest.json
observed 1a22298dd2e962f4bc535718ebd437a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:59.369631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023670/publication.md
observed 5ba3530bb3d7cc4f04100477cd6391b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:59.350261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023670/publication.txt
observed 4a50cecf64258bd37ab3e744a6da47b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.